Found 4 full forms for FENO
| Term | Full Form | Category |
|---|---|---|
| FENO | Fraction of Exhaled Nitric Oxide 
| Others |
| FENO | Fractional concentration of Exhaled Nitric Oxide
| Others |
| FENO | Fractional exhaled nitric oxide
| Others |
| FENO | Fractional Expired Nitric Oxide
| Others |